[Digikam-devel] [Bug 226846] New: Issues with color management and color profiles

[Alexios Beveratos]

https://bugs.kde.org/show_bug.cgi?id=226846

           Summary: Issues with color management and color profiles
           Product: digikam
           Version: unspecified
          Platform: Mandriva RPMs
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: digikam-devel at kde.org
        ReportedBy: alexios at beveratos.com


Version:            (using KDE 4.3.2)
OS:                Linux
Installed from:    Mandriva RPMs

Dear developers

I have observed an important issue with the color management of digikam with
jpg photos. Here is the problem (see also attached files)

When I preview an image, I get two versions, one blueish and one with normal
colors (at least on my screen, which is calibrated and profile applied with
xcalib)

When I edit the photo (F4) I get a warning that the embedded color profile and
the working color profile are not the same.

If I do not convert it, I still have a blueish photo. If I convert it I do get
the right colors.

But the issue is that the embedded color profile and the working color profile
are exactly the same

(here is a copy-paste of the profiles when I click on info)
Embedded color profile

File name:  (ICC Color Profile Information)

>>> Header <<<

Rendering Intent : Perceptual
Profile Version : 34603008
Profile ID : 0
Name : IEC 61966-2.1 Default RGB colour space - sRGB
Model : IEC 61966-2.1 Default RGB colour space - sRGB
Manufacturer : IEC http://www.iec.ch
Information : sRGB IEC61966-2.1 Copyright (c) 1998 Hewlett-Packard Company
WhitePoint : D65 (daylight)
Device Class : Display device
Description : sRGB IEC61966-2.1
Copyright : Copyright (c) 1998 Hewlett-Packard Company
Connection Space : Unknown
Color Space : RGB
CMM Flags : 0

Working color profile

File name:  (ICC Color Profile Information)

>>> Header <<<

Rendering Intent : Perceptual
Profile Version : 34603008
Profile ID : 0
Name : IEC 61966-2.1 Default RGB colour space - sRGB
Model : IEC 61966-2.1 Default RGB colour space - sRGB
Manufacturer : IEC http://www.iec.ch
Information : sRGB IEC61966-2.1 Copyright (c) 1998 Hewlett-Packard Company
WhitePoint : D65 (daylight)
Device Class : Display device
Description : sRGB IEC61966-2.1
Copyright : Copyright (c) 1998 Hewlett-Packard Company
Connection Space : Unknown
Color Space : RGB
CMM Flags : 0

Thank you

Alex

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